Coffee table



FIG. 1 is a perspective view of a coffee table showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof, the right-side, the left-side, and rear elevational views thereof being identical to FIG. 3; and,

FIG. 4 is the bottom view thereof. 

The ornamental design for the coffee table, as shown and described. 